MATH
- M = 13
- A = 1
- T = 20
- H = 8
—> 13 + 1 + 20 + 8 = 42
MUSIC
- M = 13
- U = 21
- S = 19
- I = 9
- C = 3
—> 13 + 21 – 19 + (9 x 3) = 42
ALGEBRA
- A = 1
- L = 12
- G = 7
- E = 5
- B = 2
- R = 18
- A = 1
—> 1 + 12 + 7 + 5 – 2 + 18 + 1 = 42
PHYSICS
- P = 16
- H = 8
- Y = 25
- S = 19
- I = 9
- C = 3
- S = 19…
—> 16 + 8 + 25 + 19 – (9 × 3) – 19 = 42